2009197960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13313}}^1$

素因数の和:13356

約数の個数: 128

約数和(自身を含む): 5751648000

約数和(自身を除く): 3742450040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 616, 686, 770, 980, 1078, 1372, 1540, 1715, 1960, 2156, 2695, 2744, 3080, 3430, 3773, 4312, 5390, 6860, 7546, 10780, 13313, 13720, 15092, 18865, 21560, 26626, 30184, 37730, 53252, 66565, 75460, 93191, 106504, 133130, 146443, 150920, 186382, 266260, 292886, 372764, 465955, 532520, 585772, 652337, 732215, 745528, 931910, 1025101, 1171544, 1304674, 1464430, 1863820, 2050202, 2609348, 2928860, 3261685, 3727640, 4100404, 4566359, 5125505, 5218696, 5857720, 6523370, 7175707, 8200808, 9132718, 10251010, 13046740, 14351414, 18265436, 20502020, 22831795, 26093480, 28702828, 35878535, 36530872, 41004040, 45663590, 50229949, 57405656, 71757070, 91327180, 100459898, 143514140, 182654360, 200919796, 251149745, 287028280, 401839592, 502299490, 1004598980, 2009197960]

約数ペア:

[(1, 2009197960), (2, 1004598980), (4, 502299490), (5, 401839592), (7, 287028280), (8, 251149745), (10, 200919796), (11, 182654360), (14, 143514140), (20, 100459898), (22, 91327180), (28, 71757070), (35, 57405656), (40, 50229949), (44, 45663590), (49, 41004040), (55, 36530872), (56, 35878535), (70, 28702828), (77, 26093480), (88, 22831795), (98, 20502020), (110, 18265436), (140, 14351414), (154, 13046740), (196, 10251010), (220, 9132718), (245, 8200808), (280, 7175707), (308, 6523370), (343, 5857720), (385, 5218696), (392, 5125505), (440, 4566359), (490, 4100404), (539, 3727640), (616, 3261685), (686, 2928860), (770, 2609348), (980, 2050202), (1078, 1863820), (1372, 1464430), (1540, 1304674), (1715, 1171544), (1960, 1025101), (2156, 931910), (2695, 745528), (2744, 732215), (3080, 652337), (3430, 585772), (3773, 532520), (4312, 465955), (5390, 372764), (6860, 292886), (7546, 266260), (10780, 186382), (13313, 150920), (13720, 146443), (15092, 133130), (18865, 106504), (21560, 93191), (26626, 75460), (30184, 66565), (37730, 53252)]